INDEX 



The superior figures tell the exact place on the page in ninths; e. g. 500* 

 means page 500, beginning in the third ninth of the page, i. e. about one third 

 of the way down. 



Adams, Frank D., cited, 499*, 500 3 , 

 50i 8 . 



Adirondacks, topography and geol- 

 ogy, 46i 7 -6\3 2 ; faulted region, 462 2 ; 

 trellised drainage, 462*; recent 

 geologic work, 463 s . 



Albite, 494 3 , 495 3 , 497 4 - 



Anorthosite, 483 1 , 485 5 -86 2 , 493 9 , 495 9 , 

 500 9 , 503 2 ; description, 498 4 -500 5 . 



Apatite, 495*, 496 s , 498 1 , 498 8 . 



Augite, 497 7 , 497 s , 498 1 , 498 3 , 498* > 

 500 3 . 



Biotite, 4Q4 1 , 494 s , 494s 494 9 , 495 s , 



495?, 496*, 497 7 , 498 H . 

 Biotite schist, 493 s , 495 s . 

 Brigham, cited, 462 4 . 

 Bronzite, 497 s . 



Calciferous outlier, 467°. 

 Calcite, 494 7 . 



Cambric drainage lines, 465 5 -67 9 . 



Chilson lake, valleys, 466 s . 



Chlorite, 494 s , 494 7 , 496s 498 s . 



Cirques, 476 1 . 



Crown Point, 470 9 - 72 s . 



Cushing, H. P., work on the geol- 

 ogy of the Adirondacks, 463^ 

 cited, 469*, 484 s , 503 9 ; mentioned, 

 483 7 - 



Desolate brook, 477 3 . 

 Diallage, 501 3 . 

 Dikes, 489 8 -90 2 , 503 1 . 

 Drainage modifications. 409 7 -78 4 . 



Economic geology, 503 >5 -6 7 . 

 Emmons, E. , geologic work on the 

 Adirondacks, 463 s ; cited, 472 s , 499 s . 

 Epidote, 494 s , 494 7 , 498 s . 



Faults, 49i 5 -92 2 . 



Feldspar, 494 1 . 494 2 , 494 5 , 495 1 , 495 3 , 



497*, 498*, 500 6 . 

 Foliation, 492 s . 



Gabbro, 486 3 -87 2 , 495 s , 49s 7 , 503 1 ; 

 description, 500 5 -i 9 . 



Garnets, 494 s , 495*, 496 7 , 498 s , 498*, 

 498 s , 499 4 , 499 5 , 500 2 , 501 2 , 501 4 . 



Glacial deposits, 469 7 ~78 4 . 



Glaciology of the Paradox Lake 

 quadrangle, 465 5 ~78 4 . 



Gneiss, 479 s ; defined, 479 s ; horn- 

 blende, 479 2 , 493 9 -95 5 ; quartzose, 

 summary and conclusions, 502 1 ~3 5 ; 

 sillimanite, 479 s , 48i 7 -83 1 , 495 s . 



Granite, 484 4 , 493 s , 495 s , 503 2 ; descrip- 

 tion, 496 2 -97 5 ; summary and con- 

 clusions, 502 1 -3 5 . 



Graphite, 495 s , 503 7 "5 5 - 



Grenville series, sediments of, 479 1 . 



Grooves. 476 1 . 



Hague, A75 9 ~77 2 - 

 Horicon, 477 2 . 



Hornblende, 479 2 , 494 1 , 494 s , 494 7 , 

 496*, 496 9 . 497 5 , 497 7 , 498 1 , 498 2 ? 

 498 8 - 



Hornblende gneiss, 479'-; description, 



493 a -95 5 - 

 Hudson, north, 477 s . 

 Hypersthene, 497 9 , 498 s , 500 5 , 500 6 . 



Igneous rocks, summary of evidence 

 of relative age, 487 2 ~92 8 ; petrog- 

 raphy of, 495 9 -50i 9 . 



Ilmenite, 494 1 , 498 s , 500 6 . 



Intrusives, 483 6 -84 4 ; relative ages, 



503 l . 

 Iron ores, 503 7 . 



Joints, 492 7 . 



Karnes, 472 s . 

 Kaolin, 494 7 , 494 s . 



Kemp, J. F., acknowledgments to, 

 461 6 ; work on the geology of the 

 Adirondacks, 463 s ; cited, 46s 9 , 481 7 , 

 488*, 49I 6 , 50i 9 , 503 8 , 505 8 , 506 4 . 



